Pith Number

pith:6OKPA2U5

pith:2002:6OKPA2U5DW2H3I7GHCYY7DJHGX

not attested not anchored not stored refs pending

A Deep Optical Observation for an Enigmatic Unidentified Gamma-Ray Source 3EG J1835+5918

2), (2) NAO, (3) U. Tokyo (4) Tokyo Inst. Tech.), N. Kawai (4) ((1) Princeton, T. Totani (1, W. Kawasaki (3)

arxiv:astro-ph/0205486 v1 · 2002-05-28 · astro-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6OKPA2U5DW2H3I7GHCYY7DJHGX}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T01:40:42.728002Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f394f06a9d1db47da3e638b18f8d2735df9bce0ca5e63cff7230f3795ecd855e

Aliases

arxiv: astro-ph/0205486 · arxiv_version: astro-ph/0205486v1 · doi: 10.48550/arxiv.astro-ph/0205486 · pith_short_12: 6OKPA2U5DW2H · pith_short_16: 6OKPA2U5DW2H3I7G · pith_short_8: 6OKPA2U5

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/6OKPA2U5DW2H3I7GHCYY7DJHGX \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: f394f06a9d1db47da3e638b18f8d2735df9bce0ca5e63cff7230f3795ecd855e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9facc2886c91a884d2adac8ee4d3a467972d7075baaa7d5c69a09fb1b2bd4dea",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2002-05-28T16:26:51Z",
    "title_canon_sha256": "4aafaf4f95395a0fa6f3efad37597ec17c9038b2ffc66f513178a75bb760717f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0205486",
    "kind": "arxiv",
    "version": 1
  }
}